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[Micronuclei induced by chronic inhalation of SO2 in mouse bone marrow cells].

Ziqiang Meng, Aidong Ruan, Nan Sang, Bo Zhang, Jianbiao Zhang

Open publisher page 2 citations

Abstract

In the chronic inhalation experiment of sulfur dioxide(SO2), micronuclei(MN) frequencies in the polychromatophilic erythroblasts(PCE) of mouse bone marrow and the frequencies of cells with MN were significantly increased in dose-dependent manner. There was a significant difference between the male and the female animals. The results also showed that SO2 inhibited urethone-induced MN formation. These results furtherly confirm that SO2 inhalation was a clastogenic and genotoxic agent to mammalian cells, and the combined effects of SO2 and other mutagens are complex.

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What this paper is about

In the chronic inhalation experiment of sulfur dioxide(SO2), micronuclei(MN) frequencies in the polychromatophilic erythroblasts(PCE) of mouse bone marrow and the frequencies of cells with MN were significantly increased in dose-dependent manner. There was a significant difference between the male and the female animals. The results also showed that SO2 inhibited urethone-induced MN formation. These results furtherly confirm that SO2 inhalation was a clastogenic and genotoxic agent to mammalian cells, and the combined effects of SO2 and other mutagens are complex.

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Available abstract

In the chronic inhalation experiment of sulfur dioxide(SO2), micronuclei(MN) frequencies in the polychromatophilic erythroblasts(PCE) of mouse bone marrow and the frequencies of cells with MN were significantly increased in dose-dependent manner. There was a significant difference between the male and the female animals. The results also showed that SO2 inhibited urethone-induced MN formation. These results furtherly confirm that SO2 inhalation was a clastogenic and genotoxic agent to mammalian cells, and the combined effects of SO2 and other mutagens are complex.

Key concepts: Micronucleus test, Clastogen, Bone marrow, Inhalation, Micronucleus, Chemistry, Sulfur dioxide, Toxicology

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